diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68a20a42..65170130 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@ All notable changes to eww will be listed here, starting at changes since versio
 - Add `matches` function
 - Add transform widget (By: druskus20)
 - Add `:onaccept` to input field, add `:onclick` to eventbox
+- Add arguments option to `defwindow` (By: WilfSilver)
 
 ### Notable Internal changes
 - Rework state management completely, now making local state and dynamic widget hierarchy changes possible.